Home / 100,235.12-150,366.72-41,079.20

Finding the Fourth Proportional to 100,235.12, 150,366.72 and 41,079.20

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Solution

The fourth proportional to 100,235.12, 150,366.72 and 41,079.20 is: 61,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,235.12 : 150,366.72 = 41,079.20 : x
  2. Step 2: Convert to fraction form
    100,235.12/150,366.72 = 41,079.20/x
  3. Step 3: Cross multiply
    100,235.12x = 150,366.72 × 41,079.20
  4. Step 4: Simplify right side
    100,235.12x = 6,176,944,564.22
  5. Step 5: Solve for x
    x = 6,176,944,564.22/100,235.12
  6. Step 6: Final answer
    x = 61,624.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.